| article html file updated | 7 February 2020 18:58 CET | Update | https://www.mdpi.com/2218-0532/84/4/753 |
| article html file updated | 4 May 2019 20:34 CEST | Update | - |
| article html file updated | 30 December 2016 02:06 CET | Update | - |
| article html file updated | 2 December 2016 09:44 CET | Original file | - |
| article xml uploaded. | 2 December 2016 09:43 CET | Original file | https://www.mdpi.com/2218-0532/84/4/753/xml |
| article pdf uploaded. | 2 December 2016 09:43 CET | Version of Record | https://www.mdpi.com/2218-0532/84/4/753/pdf |
